Questions Asked on
June 25, 2017

Math
The probability of winning a large stuffed animal in the ringtoss game at a fair is 10%. Find the probability of winning at least 5 of 50 games using normal approximation. I got 0.4052 but answers says it's 0.5932. Please help!
asked by Selena 
math/statistics
From a shipment of 65 transistors, 4 of which are defective, a sample of 6 transistors is selected at random. (a) In how many different ways can the sample be selected? ways (b) How many samples contain exactly 3 defective transistors? 166320 samples (c)
asked by Rahat 
College physics
Gun sights are adjusted to aim high to compensate for the effect of gravity, effectively making the gun accurate only for a specific range. (a) If a gun is sighted to hit targets that are at the same height as the gun and 100.0 m away, how low will the
asked by keith 
Maths
The scale on a map is 1 :500000, Two towns ate 7cm apart, whats the actual distance between towns. Give your answers in Km.
asked by Lilly 
science
2 velocities each 5m/so are inclined at 60 degree .find their resultant
asked by ananya 
Chemistry
What is the molecular structure of methylated spirit
asked by Busi 
Chemistry
Which statement is NOT correct regarding the statment below? 2Al+6HCl>2AlCl3+3H2 A. 2 atoms of Al produces 3 Molecules of H2 B. 3 Moles of Hcl produces 1 mole of AlCl3 C. 6 grams of Hcl reacts with 2 grams of Al D. None of these. I'm leaning towards C,
asked by General Batman 
college algebra
A toy rocket is launched with an initial velocity of 44.1 meters per second from a 1 meter tall platform. The height h of the object at any time t seconds after launch is given by the function h (t)4.9t squared +44.1t +1. How long after launch did it take
asked by Jorge 
physics
A hammer weighing of 1 kg moving with the speed of 10 m/s strikes the head of the nail driving it 10 cm into wall. Neglecting the mass of the nail, calculate: 1) The acceleration during the impact 2) The time interval during the impact 3) The impulse
asked by Anonymous 
calculus
Find the constant a such that the function is continuous on the entire real line g(x)=x^2a^2/xa if x doesn't equal a 6 if x=a
asked by david 
Science
If a boy applies a force of 16N on an area of 16cm2,what will be the pressure produced by him?
asked by Aastha 
math
If lines AB=6cm, AC=10cm, BC=2•4cm, CD=4cm and AD=X cm. Also angle ABC = angle ACD. (a).Prove that triangle ABC is similar to triangle ACD. (b).Determine the area of the quadrilateral ABCD if the area of triangle ACD is 60cm^2
asked by Justice 
Chemistry
What compounds(or anions or cations) will make FeCl3 colourless, when it is added to the initial compound(anion or cation)?
asked by Aanya 
math/statistics
In a manufacturing plant, three machines, A, B, and C, produce 37%, 36%, and 27%, respectively, of the total production. The company's qualitycontrol department has determined that 1.5% of the items produced by Machine A, 2% of the items produced by
asked by Rahat 
government
newspapers are still the media source that provides the most americans with political information True or false ? I think it is false???
asked by hannah 
Physics
A uniform rod of weight 300N and 2m long is hinged to the floor at one end so that it can rotate in the vertical plane. The other end of the rod is tied to a point on the ceiling vertically above the floor hinge by means of a rope 2.5m long. The vertical
asked by Lucky 
Physics
A block of mass 2 kg attached to a spring lies on a flat surface. When the block is pulled 5 cm to the right a force with a magnitude of 300 N is need to hold it in place. What is the work done by the spring when the block moves from x = 10 cm to
asked by Rey 
College PHYsics
Felix Baumgartner, an Austrian skydiver, jumped from a balloon at an altitude of 38,963.3 meters, and fell into history. He was in free fall for 4 minutes 19 seconds, and on the way down reached the speed of 1,357.64 km/h What if there had been no air? How
asked by cynthia 
maths
if area of rectangle is120/49cmsq and one of its sides is10/7cm,find the length of other side.
asked by please help me!! 
math/statistics
In a past presidential election, it was estimated that the probability that the Republican candidate would be elected was 1/3, and therefore the probability that the Democratic candidate would be elected was 2/3 (the two Independent candidates were given
asked by Rahat 
Chemistry
An unknown monoprotic acid has a pH of 2.87. Is this acid weak or strong if 22.32 mL of 0.112 M NaOH is required to titrate 25.00 mL of the acid? If the acid is weak, calculate its Ka. Answer is Ka = 1.8 x 10^5, but I don't know how to get there. Any help
asked by Josh 
Physics, Calculus
if an aircraft flying at 250km/h at bearing N 45East for 1 hour meets a wind from the NW at 50km/h, then how long will it take to fly the full 550km maintaining its N45E bearing to the ground with this wind blowing?
asked by Alan 
maths
what should be added to 19/27to make it 13/15
asked by value 
Chemistry 12
The following data was obtained after 25.00ml of benzoic acid was titrated with potassium hydroxide. Volume of KOH used: Trial 1: 27.80ml Trial 2: 27.88ml Trial 3: 27.66ml Initial pH: 3.125 pH at 13.92ml: 5.013 Find the Ka for this sample of citric acid
asked by Brian 
math
Solve the following set of equations. Can I use y = mx + b to calculate the equation 4x−y = 6 2x + 3y = 5
asked by Lisa 
Chemistry
45.0g Pb at 115C is added to 125 g of water at 25.0C in a well insulated calorimeter. What is trhe final temperature in C for the water? The Specific heat of lead is 0.129J/gC and the specific heat of water is 4.184 J/gC. Could someone please explain the
asked by General Batman 
Chemistry
A 25.00 mL sample of a soft drink was titrated using 12.10 mL of 1.50 M NaOH. Given that the soft drink's monoprotic acid has a Ka value of 2.8 x 10^5, predict the pH of the soft drink. I know that the answer is pH 2.85 (our practice questions have an
asked by Josh 
maths
which rational number has no reciprocal?
asked by who could help me!! 
maths
if7/9*a=1,then find the value of a
asked by plese do my ques .... 
physics
if the velocity of wave is 0.15m/s and the frequency is 20Hz, what is the wavelength?
asked by Peterson 
Chemistry
What would be the correct way to arrange this? Consider the reaction below. 3K2C2O4(aq)+2Fe(NO3)3(aq)>Fe2(C2O4)3(s)+6KNO3(aq) What mass in grams of K2C2O4 (MM=166.22g/mole)will react completely with 35.0mL of 0.800M Fe(NO3)3?
asked by General Batman 
math/statistics
Evaluate the quantity. 3 · P(6, 4) · C(8, 5)
asked by Rahat 
Math
If alpha, beta are the zeroes of x22x+3, find a quadratic equation whose roots are (alpha1)(beta+1), (beta1)(beta+1)
asked by nishtha 
Math
Amy's school is made up of 524 students. The principal gave each student 3 pencils. Amy says 1,048 pencils were handed out. Is Amy's answer reasonable? Why or why not?
asked by Cons 
Math
Together Elise and Chris spelled 27 words correctly. Chris spelled 5 more words correctly than Elise. How many words did each student spell correctly?
asked by Cons 
math
how many rational numbers are b/w 1and0
asked by please do my ques.!!! 
Science
A stone was thrown upward with the innital velocity. (A)how for does it reach? (B)how long does it takes to reach this height? (C)calculate the final velocity.
asked by Bulbul kazya 
maths
[2/(3)*1/5]*1/4=1/5[2/(3)*1/4] verify that
asked by who could help me? 
maths
evaluate:8ki power1*5ki power3 upon2ki power4
asked by please do my ques.!!! 
maths
evaluate:(5/8)*(8/5)power4
asked by RS ISHER who could help me!!! 
maths
find six rational number b/w 3/8and1/2
asked by RS ISHER please help 
Science
What is force
asked by Arun 
math
In the sequence 2,6,10....what term has a value of 106?
asked by sahil